/*******************************************************************************
 *     ___                  _   ____  ____
 *    / _ \ _   _  ___  ___| |_|  _ \| __ )
 *   | | | | | | |/ _ \/ __| __| | | |  _ \
 *   | |_| | |_| |  __/\__ \ |_| |_| | |_) |
 *    \__\_\\__,_|\___||___/\__|____/|____/
 *
 *  Copyright (c) 2014-2019 Appsicle
 *  Copyright (c) 2019-2024 QuestDB
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/

package io.questdb.test.griffin.engine.functions.regex;

import io.questdb.cairo.sql.RecordCursor;
import io.questdb.cairo.sql.RecordCursorFactory;
import io.questdb.griffin.SqlException;
import io.questdb.test.AbstractCairoTest;
import io.questdb.test.tools.TestUtils;
import org.junit.Assert;
import org.junit.Test;

public class MatchSymbolFunctionFactoryTest extends AbstractCairoTest {

    @Test
    public void testNonStaticSymbolTable() throws Exception {
        assertMemoryLeak(() -> {
            final String expected = "name\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n";
            execute("create table x as (select rnd_str('jjke', 'jio2', 'ope', 'nbbe', null) name from long_sequence(50))");

            try (RecordCursorFactory factory = select("(select name::symbol name from x) where name ~ '^op.*'")) {
                try (RecordCursor cursor = factory.getCursor(sqlExecutionContext)) {
                    println(factory, cursor);
                    TestUtils.assertEquals(expected, sink);
                }
            }
        });
    }

    @Test
    public void testNullRegex() throws Exception {
        assertMemoryLeak(() -> {
            execute("create table x as (select rnd_symbol('jjke', 'jio2', 'ope', 'nbbe', null) name from long_sequence(2000))");
            assertQuery(
                    "name\n",
                    "select * from x where name ~ null",
                    false,
                    true
            );
        });
    }

    @Test
    public void testRegexSyntaxError() throws Exception {
        assertMemoryLeak(() -> {
            execute("create table x as (select rnd_symbol('jjke', 'jio2', 'ope', 'nbbe', null) name from long_sequence(2000))");
            try {
                assertExceptionNoLeakCheck("select * from x where name ~ 'XJ**'");
            } catch (SqlException e) {
                Assert.assertEquals(33, e.getPosition());
                TestUtils.assertContains(e.getFlyweightMessage(), "Dangling meta");
            }
        });
    }

    @Test
    public void testSimple() throws Exception {
        assertMemoryLeak(() -> {
            final String expected = "name\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n" +
                    "ope\n";
            execute("create table x as (select rnd_symbol('jjke', 'jio2', 'ope', 'nbbe', null) name from long_sequence(50))");

            try (RecordCursorFactory factory = select("select * from x where name ~ '^op.*'")) {
                try (RecordCursor cursor = factory.getCursor(sqlExecutionContext)) {
                    println(factory, cursor);
                    TestUtils.assertEquals(expected, sink);
                }
            }
        });
    }
}
